138360568 has 16 divisors (see below), whose sum is σ = 265754160. Its totient is φ = 67492800.

The previous prime is 138360529. The next prime is 138360577. The reversal of 138360568 is 865063831.

It is a self number, because there is not a number n which added to its sum of digits gives 138360568.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210588 + ... + 211243.

It is an arithmetic number, because the mean of its divisors is an integer number (16609635).

Almost surely, 2^138360568 is an apocalyptic number.

It is an amenable number.

138360568 is a deficient number, since it is larger than the sum of its proper divisors (127393592).

138360568 is a wasteful number, since it uses less digits than its factorization.

138360568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421878 (or 421874 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 138360568 is about 11762.6769062148. The cubic root of 138360568 is about 517.2146036179.

The spelling of 138360568 in words is "one hundred thirty-eight million, three hundred sixty thousand, five hundred sixty-eight".